Repair Motorized Water Pump Assembly

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ASSEMBLY

TM-55-1905-223-24-18-2 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part II Manual

FIGURE 4-11. Motorized Water Pump

TM 55-1905-223-24-18-2

4-21. Repair Motorized Water Pump Assembly. (Figure 4-11)

This task covers:

a. Disassembly,

b. Repair,

c. Assembly.

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's,

Water pump/motor assembly removed

Materials/Parts

Stator P/N 330-1006-001

Rotor P/N 320-1569-002

Universal joint P/N 320-1612-000

Mechanical seal P/N 320-2424-000

Lubricating oil, Item 20, Appendix C

DISASSEMBLY

a. Position motorized pump (14) on a clean flat surface.

b. Remove six machine screws (7) securing housing (6) to motorized pump.

c. Separate and remove housing (6) from pump.

d. Remove pipe plug (8) from housing.

e. Slide stator (9) off of rotor (5).

f. Separate rotor (5) from universal joint (3) by using a punch to remove pin (4). Support rotor when

removing pin. Retain pin for assembly.

g. Separate universal joint (3) from motor shaft by using a punch through outlet port on pump body to

remove pin (2). Retain pin for assembly.

h. Slide universal joint off of motor shaft and out of motorized pump (14).

NOTE

If any part of mechanical seal is broken or damaged, the complete seal assembly

must be replaced.

i. Carefully slide mechanical seal (1) off motor shaft and out of motorized pump (14).

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